Extender EF 2x III - to extend focal length of Canon L-series telephoto or telephoto zoom lens by 2x;Increase your lens' focal length by 2x without sacrificing image quality;Ideal for press, sports and nature photography, the extender increases the focal length of Canon L-series telephoto or telephoto zoom lens’ by a factor of 2x, with higher AF accuracy and improved communication between camera and lens.;Focal length extension for super-telephoto lenses;The Extender EF 2x III is specially designed to work in conjunction with L-series IS super-telephoto lenses, extending their focal length by a factor of 2x. The extender's design ensures there is no loss of lens performance or image quality.;High-quality construction;Improved anti-reflection materials inside the lens-barrel and a coating around the outer edges of the lens elements reduce flare. Construction is resistant to dust and water, helping to maintain images quality.;Improved communication between lens and camera;A built in microprocessor provides accurate transfer of data from between the lens and camera delivering an improved performance in AF and metering.;Compatible with L-Series telephoto and telephoto zoom lenses;The Extender EF 2x III is compatible with most telephoto and telephoto zoom lenses within Canon’s flagship professional L-series range, extending the focal length by 2 times while only reducing the effective aperture of the lens by two stops.;Features;Extends the master lens focal length by 2x;Outstanding image quality;Highly resistant to dust and water;Improved communication between lens and camera;Optimised lens coatings;Compatible with L-Series telephoto and telephoto zoom lenses

Used equipment can sell very quickly. Contact the seller asap to discuss this Canon extender-ef-2x-iii.